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The following species in the flowering plant genus Oxalis, many of which are called wood sorrels, wood‑sorrels or woodsorrels, false shamrocks, and sourgrasses, are recognised by Plants of the World Online: [1] [2]
Oxalis (/ ˈ ɒ k s ə l ɪ s / (American English) [1] or / ɒ k s ˈ ɑː l ɪ s / (British English)) [2] is a large genus of flowering plants in the wood-sorrel family, Oxalidaceae, comprising over 550 species. [3] The genus occurs throughout most of the world, except for the polar areas; species diversity is particularly rich in tropical ...
English: Oxalis triangularis (Purple Shamrock) is a classic example of a plant which responds with movement to external stimulus. The leaves open and close in response to varying light levels with the result that they are open during during the day and close at night.
Oxalis cernua is a less common synonym for this species. Some of the most common names for the plant reference its sour taste owing to oxalic acid present in its tissues. Indigenous to South Africa, the plant has become a pest plant in different parts of the world that is difficult to eradicate because of how it propagates through underground ...
Oxalis polyphylla, the finger sorrel, is a species of flowering plant in the family Oxalidaceae. [2] [3] It is native to the southern Cape Provinces of South Africa. [1]A geophyte with a bulb that is often gummy, it can reach 20 cm (8 in) in height, and is found growing both on rocky outcrops and in flat areas.
Oxalis tuberosa is a perennial herbaceous plant that overwinters as underground stem tubers. These tubers are known as uqa in Quechua, [1] oca in Spanish, yams in New Zealand and several other alternative names. The plant was brought into cultivation in the central and southern Andes for its tubers, which are used as a root vegetable.
A diagram showing various parts of young O. stricta plants. All parts of the plant are edible, [5] with a distinct tangy flavor (common to all plants in the genus Oxalis). However, it should only be eaten in small quantities, since oxalic acid is an antinutrient and can inhibit the body's absorption supply of calcium. [7] Oxalis stricta ...
Oxalis decaphylla, the ten-leaf woodsorrel, is a species of flowering plant in the family Oxalidaceae. [2] It is native to Arizona, New Mexico, and Mexico, and it has been introduced to Great Britain. [1] A perennial reaching 45 cm (18 in), it is found in a wide variety of damp habitats in otherwise drier areas. [2]